Select all the relevant cells, and in the Data tab, click the main part of the split "Data Validation" button. Then, click ...

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

Your summarizations, analyses, projections, reports and so on, are only as good as your data. It’s important that you use every resource available to protect the validity of the data, which means you ...

Spreadsheet software is supposed to make life easier, not torture you with endless hours of data entry. Before you curse Excel and wish that you were working back in the good old days of paper ledgers ...